On survey days, the women wake up early, finish household chores and gather at a base camp before travelling by vehicle as far as the terrain allows. From there, they trek several kilometres to reach camera sites, often at altitudes above 14,000ft (4,300m), where the thin air makes even simple movement exhausting.
Disclaimer : This story is auto aggregated by a computer programme and has not been created or edited by DOWNTHENEWS. Publisher: BBC
